@article{ASNSP_1996_4_23_1_57_0,
     author = {Hao, Wenge and Leonardi, Salvatore and Ne\v{c}as, Jind\v{r}ich},
     title = {An example of irregular solution to a nonlinear {Euler-Lagrange} elliptic system with real analytic coefficients},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {57--67},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 23},
     number = {1},
     year = {1996},
     mrnumber = {1401417},
     zbl = {0864.35031},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1996_4_23_1_57_0/}
}